Isao Tanaka

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for the disposal of waste water containing ammonium ions, su...
- Patent number 4,045,341
- Issue date Aug 30, 1977
- Nittetu Chemical Engineering Ltd.
- Hidemasa Tsuruta
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE